Deriving heart rate variability indices from cardiac monitoring—An indicator of driver sleepiness
Traffic Injury Prevention(2019)
Abstract
Objective: Driver fatigue is considered to be a major contributor to road traffic crashes. Cardiac monitoring and heart rate variability (HRV) analysis is a candidate method for early and accurate detection of driver sleepiness. This study has 2 objectives: to evaluate the (1) suitability of different preprocessing strategies for detecting and removing outlier heartbeats and spectral transformation of HRV signals and their impact of driver sleepiness assessment and (2) relation between common HRV indices and subjective sleepiness reported by a large number of drivers in real driving situations, for the first time.
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Key words
Heart rate variability,driver sleepiness,outlier detection,spectral transformation
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